35961-52The clutch gear has this needle bearing pressed into the gear end
behind a pressed-in thrust bearing.
The industrial part number is B-1212.
Part
Number |
B-1212 |
Bore diameter |
3/4 inches |
Outside diameter |
1 inches |
Overall width |
3/4 inches |
Max speed |
5600 RPM |
Static load |
8710 pounds |
Dynamic load |
4930 pounds |
Spec |
ASTM F2162 |
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The Iron Sportster mainshaft is a triumph of
engineering. The general design has sustained from 1952 to 1984. There were teething
problems in the early K-model, but they were all cured by 1957 with the introduction
of the Sportster.
This Torrington needle bearing is pressed into the clutch gear. A thrust washer gets
pressed in over it.
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